Rnd 7: Ch 2 (counts as hdc), hdc in next 11 sts, *3 hdc in next dc, hdc in next 15 sts; rep from *2 more times, 3 hdc in next st, hdc in next 3 sts, sl st in top of beg ch-2 to join-72 hdc. Fasten off, leaving a long tail for sewing.